2108509065

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{347}}^1$

素因数の和:448

約数の個数: 144

約数和(自身を含む): 4291792128

約数和(自身を除く): 2183283063

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 47, 51, 65, 85, 117, 141, 153, 169, 195, 221, 235, 255, 347, 423, 507, 585, 611, 663, 705, 765, 799, 845, 1041, 1105, 1521, 1735, 1833, 1989, 2115, 2397, 2535, 2873, 3055, 3123, 3315, 3995, 4511, 5205, 5499, 5899, 7191, 7605, 7943, 8619, 9165, 9945, 10387, 11985, 13533, 14365, 15615, 16309, 17697, 22555, 23829, 25857, 27495, 29495, 31161, 35955, 39715, 40599, 43095, 48927, 51935, 53091, 58643, 67665, 71487, 76687, 81545, 88485, 93483, 119145, 129285, 135031, 146781, 155805, 175929, 202995, 212017, 230061, 244635, 265455, 277253, 293215, 357435, 383435, 405093, 467415, 527787, 636051, 675155, 690183, 733905, 831759, 879645, 996931, 1060085, 1150305, 1215279, 1386265, 1908153, 2025465, 2495277, 2638935, 2756221, 2990793, 3180255, 3450915, 3604289, 4158795, 4984655, 6076395, 8268663, 8972379, 9540765, 10812867, 12476385, 13781105, 14953965, 18021445, 24805989, 32438601, 41343315, 44861895, 46855757, 54064335, 124029945, 140567271, 162193005, 234278785, 421701813, 702836355, 2108509065]

約数ペア:

[(1, 2108509065), (3, 702836355), (5, 421701813), (9, 234278785), (13, 162193005), (15, 140567271), (17, 124029945), (39, 54064335), (45, 46855757), (47, 44861895), (51, 41343315), (65, 32438601), (85, 24805989), (117, 18021445), (141, 14953965), (153, 13781105), (169, 12476385), (195, 10812867), (221, 9540765), (235, 8972379), (255, 8268663), (347, 6076395), (423, 4984655), (507, 4158795), (585, 3604289), (611, 3450915), (663, 3180255), (705, 2990793), (765, 2756221), (799, 2638935), (845, 2495277), (1041, 2025465), (1105, 1908153), (1521, 1386265), (1735, 1215279), (1833, 1150305), (1989, 1060085), (2115, 996931), (2397, 879645), (2535, 831759), (2873, 733905), (3055, 690183), (3123, 675155), (3315, 636051), (3995, 527787), (4511, 467415), (5205, 405093), (5499, 383435), (5899, 357435), (7191, 293215), (7605, 277253), (7943, 265455), (8619, 244635), (9165, 230061), (9945, 212017), (10387, 202995), (11985, 175929), (13533, 155805), (14365, 146781), (15615, 135031), (16309, 129285), (17697, 119145), (22555, 93483), (23829, 88485), (25857, 81545), (27495, 76687), (29495, 71487), (31161, 67665), (35955, 58643), (39715, 53091), (40599, 51935), (43095, 48927)]